Strength training does not improve lipoprotein-lipid profiles in men at risk for CHD.

abstract：PURPOSE:This study compared the ActiGraph accelerometer model 7164 (AM1) with the ActiGraph GT1M (AM2) during self-paced locomotion. METHODS:Participants (n = 116, aged 18-73 yr, mean body mass index = 26.1 kg x m(-2)) walked at self-selected slow, medium, and fast speeds around an indoor circular hallway (0.47 km). B...

journal_title：Medicine and science in sports and exercise

authors： Kozey SL,Staudenmayer JW,Troiano RP,Freedson PS

更新日期：2010-05-01 00:00:00

abstract：:Since the first reported use of knee braces for prophylactic purposes in 1979, these braces have gone through a period of widespread popularity and use, followed by increasing skepticism as to their effectiveness. Early use was unsupported by significant clinical or laboratory data. Multiple studies regarding prophyla...

journal_title：Medicine and science in sports and exercise

authors： Johnston JM,Paulos LE

更新日期：1991-07-01 00:00:00

abstract：PURPOSE:The aim of this study was to assess the feasibility and the effects of a long-term training program with endurance and strength elements for patients with advanced congestive heart failure (CHF). METHODS:We studied 14 patients, mean age 57 yr, mean NYHA class 2.7, mean LVEF 29%, and mean VO2max 17.2 mL x kg(-1...

journal_title：Medicine and science in sports and exercise

authors： Delagardelle C,Feiereisen P,Krecké R,Essamri B,Beissel J

更新日期：1999-08-01 00:00:00

abstract：:A group of 103 female weight lifters (WL) and 92 control (C) women answered a survey concerning eating behavior and attitudes (including the Eating Disorder Inventory) and menstrual function. The incidence of menstrual dysfunction, defined as oligomenorrhea plus amenorrhea, was significantly higher for the WL (30%) th...

journal_title：Medicine and science in sports and exercise

authors： Walberg JL,Johnston CS

更新日期：1991-01-01 00:00:00

abstract：PURPOSE:To investigate muscle deoxygenation and neural drive-related changes during repeated cycling sprints in a fatiguing context. METHODS:Nine healthy male subjects performed a repeated-sprint test (consisting of 10 x 6-s maximal sprints interspaced by 30 s of recovery). Oxygen uptake was measured breath-by-breath;...

journal_title：Medicine and science in sports and exercise

authors： Racinais S,Bishop D,Denis R,Lattier G,Mendez-Villaneuva A,Perrey S

更新日期：2007-02-01 00:00:00

abstract：:Psychological consequences of exercise deprivation in habitual exercisers. The purpose of this investigation was to evaluate the influence of 3 d of exercise deprivation on selected psychological variables. Ten volunteers (4 female and 6 male) who regularly exercised 6-7 d.wk-1 for at least 45 min at a time participat...

journal_title：Medicine and science in sports and exercise

authors： Mondin GW,Morgan WP,Piering PN,Stegner AJ,Stotesbery CL,Trine MR,Wu MY

更新日期：1996-09-01 00:00:00

abstract：PURPOSE:This study was designed to determine whether serum leptin levels were affected by a 5-d military course after 3 wk of combat training. METHODS:26 male soldiers (mean age = 21 +/- 2 yr) were examined at the beginning of the training program and just at the end of the 5-d course. The combination of continuous he...

journal_title：Medicine and science in sports and exercise

authors： Gomez-Merino D,Chennaoui M,Drogou C,Bonneau D,Guezennec CY

更新日期：2002-10-01 00:00:00

abstract：PURPOSE:This study was conducted to test the hypothesis of autonomic imbalance in overtrained athletes during sleep and after awakening with analyses of heart rate variability (HRV) and nocturnal urine stress hormones. METHODS:We examined 12 athletes diagnosed to be severely overtrained (OA, 6 men and 6 women, mean ag...

journal_title：Medicine and science in sports and exercise

authors： Hynynen E,Uusitalo A,Konttinen N,Rusko H

更新日期：2006-02-01 00:00:00

abstract：PURPOSE:For most people, the benefits of physical activity far outweigh the risks. Research has suggested that exercise preparticipation questionnaires might refer an unwarranted number of adults for medical evaluation before exercise initiation, creating a potential barrier to adoption. The new American College of Spo...

journal_title：Medicine and science in sports and exercise

authors： Whitfield GP,Riebe D,Magal M,Liguori G

更新日期：2017-10-01 00:00:00

abstract：PURPOSE:This study determined the dose-response effects of inhaled salbutamol (SAL) on time-trial performance and urine concentrations of SAL (cSAL). METHODS:Nonasthmatic, trained male cyclists and triathletes (N = 37) were studied. Day 1 consisted of screening for airway hyperresponsiveness, using a eucapnic voluntar...

journal_title：Medicine and science in sports and exercise

authors： Sporer BC,Sheel AW,McKenzie DC

更新日期：2008-01-01 00:00:00

abstract：PURPOSE:This study aimed to examine whether long-term fish oil (FO) supplementation is associated with a lower risk of mobility disability and enhances benefits of physical activity (PA). METHODS:A total of 1635 sedentary adults age 70 to 89 yr from the Lifestyle Interventions and Independence for Elders single-blinde...

journal_title：Medicine and science in sports and exercise

authors： Balachandran A,Gundermann DM,Walkup MP,King AC,Ambrosius WT,Kritchevsky SB,Pahor M,Newman AB,Manini TM

更新日期：2020-04-01 00:00:00

abstract：:Regression analysis is often used to demonstrate associations among variables believed to be biologically related. Failure to demonstrate a "significant" relationship may be due to two factors: 1) the variables are truly unrelated, or 2) a relationship exists but goes undetected due to inadequate statistical power. In...

journal_title：Medicine and science in sports and exercise

authors： Sharp DS,Gahlinger PM

更新日期：1988-12-01 00:00:00

abstract：:Young children's regular participation in physical activity is important not only to prevent excess weight gain and avoid chronic health problems but also to promote optimal physical, social, and psychological development. Given the large number of children enrolled in some form of out-of-home child care, this setting...

journal_title：Medicine and science in sports and exercise

authors： Ward DS

更新日期：2010-03-01 00:00:00

abstract：:This report demonstrates the effect of voluntary exercise in attenuating increases in heart rate (HR) caused by chronic stress in an animal model of stress-induced hypertension, the borderline hypertensive rat (BHR). Exercise training also protected against the hypertensive effects of stress in 16-wk-old, but not 10-w...

journal_title：Medicine and science in sports and exercise

authors： Squire JM,Myers MM,Fried R

更新日期：1987-02-01 00:00:00

abstract：:The inheritance of cardiac changes during acute dynamic physical exercise was studied in 21 pairs of monozygotic and 12 pairs of dizygotic male twins, ages 18-31 yr. Echocardiography was performed in resting conditions and at submaximal supine bicycle exercise at a heart rate of 110 bpm. In resting conditions signific...

journal_title：Medicine and science in sports and exercise

authors： Bielen EC,Fagard RH,Amery AK

更新日期：1991-11-01 00:00:00

abstract：:Oxidation-reduction (redox) based regulation of gene expression appears to be a fundamental regulatory mechanism in cell biology. This basic information has been exploited to develop novel strategies in clinical therapeutics. In contrast to the conventional idea that reactive species mostly serve as a trigger for oxid...

journal_title：Medicine and science in sports and exercise

authors： Sen CK

更新日期：2001-03-01 00:00:00

abstract：PURPOSE:To determine whether physical performance adaptation is impaired in smokers during early stages of military training and to examine some of the putative mechanistic candidates that could explain any impairment. METHODS:We examined measures of oxidative stress (malondialdehyde [MDA], lipid hydroperoxides), infl...

journal_title：Medicine and science in sports and exercise

authors： Siddall A,Bilzon J,Thompson D,Tauler P,Greeves J,Izard R,Stokes K

更新日期：2020-05-01 00:00:00

abstract：PURPOSE:This study aimed to investigate atrophy in the deep abdominal muscles, spinal extensors, and the effect of high-load resistive exercise with and without whole-body vibration after 60 d of strict bed rest. METHODS:Twenty-four subjects underwent 60 d of head-down tilt bed rest and performed either resistive vibr...

journal_title：Medicine and science in sports and exercise

authors： Belavý DL,Gast U,Felsenberg D

更新日期：2017-02-01 00:00:00

abstract：:Habitual physical activity reduces coronary heart disease events, but vigorous activity can also acutely and transiently increase the risk of sudden cardiac death and acute myocardial infarction in susceptible persons. This scientific statement discusses the potential cardiovascular complications of exercise, their pa...

journal_title：Medicine and science in sports and exercise

authors： American College of Sports Medicine.,American Heart Association.

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:The purpose of this study was to determine whether fasting plasma leptin concentration was altered with an increase in training volume in competitive male and female athletes. METHODS:Intercollegiate male (N = 9) and female (N = 12) swimmers were examined during the preseason and at two times during the mid-se...

journal_title：Medicine and science in sports and exercise

authors： Noland RC,Baker JT,Boudreau SR,Kobe RW,Tanner CJ,Hickner RC,McCammon MR,Houmard JA

更新日期：2001-02-01 00:00:00

abstract：PURPOSE:The purpose of this study was to test the hypothesis that stretch-activated ion channel (SAC) function is essential for the repeated bout effect (RBE) in skeletal muscle. Specifically, we investigated if daily injections of streptomycin (a known SAC blocker) would abrogate the muscle's adaptive resistance to th...

journal_title：Medicine and science in sports and exercise

authors： Butterfield TA,Best TM

更新日期：2009-02-01 00:00:00

abstract：:To inform the development of bone-specific physical activity (PA) assessment methods and contribute to bone-specific PA guidelines, accelerometer outcomes that provide the most valid estimates of skeletal loading in adults must be identified. PURPOSE:The aims of this project were two-fold. First, to assess the concur...

journal_title：Medicine and science in sports and exercise

authors： Higgins S,Higgins LQ,Vallabhajosula S

更新日期：2020-11-07 00:00:00

abstract：PURPOSE:This study aimed to test whether incident kidney cancer risk is associated with exercise energy expenditure (i.e., metabolic equivalents, 1 MET) when calculated from distance walked or run. METHODS:Hazard ratios (HR) and 95% confidence intervals (95% CI) from Cox proportional hazard analyses of self-reported p...

journal_title：Medicine and science in sports and exercise

authors： Williams PT

更新日期：2014-02-01 00:00:00

abstract：PURPOSE:The purpose of this study was to examine the exercise dose-response issue in a sample of 121 regular exercisers categorized as relatively low, moderate, or high dosage physical activity participants. METHODS:Male and female students, faculty, and staff of a midwestern university, currently engaging in various ...

journal_title：Medicine and science in sports and exercise

authors： Lox CL,Burns SP,Treasure DC,Wasley DA

更新日期：1999-07-01 00:00:00

abstract：:Estimates of muscular efficiency in competitive and recreational cyclists at similar work intensities and cycling frequencies were examined. Twelve healthy college-age male nonsmoker volunteers were grouped as either competitive (CC; N = 6) or recreational (RC; N = 6) cyclists based upon previous cycling experience. S...

journal_title：Medicine and science in sports and exercise

authors： Nickleberry BL Jr,Brooks GA

更新日期：1996-11-01 00:00:00

abstract：:The downswing phase in golf was represented as a double pendulum pivoted at the shoulder joint and hinged at the wrist. The motion of such a pendulum was used to derive a series of equations which were used to describe the instantaneous values of several of the component features of the downswing. Results of this anal...

journal_title：Medicine and science in sports and exercise

authors： Milburn PD

更新日期：1982-01-01 00:00:00

abstract：PURPOSE:To determine the reliability of motor-evoked potentials (MEP) obtained using transcranial magnetic stimulation (TMS) in the first dorsal interosseous (FDI) and biceps brachii muscles. METHODS:Fourteen college subjects attended the laboratory on three separate days. TMS was used to obtain MEP with the subject r...

journal_title：Medicine and science in sports and exercise

authors： Kamen G

更新日期：2004-09-01 00:00:00

abstract：PURPOSE:This study investigated the effects of the menstrual cycle on prolonged exercise performance both in temperate (20°C, 45% relative humidity) and hot, humid (32°C, 60% relative humidity) conditions. METHODS:For each environmental condition, 12 recreationally active females were tested during the early follicula...

journal_title：Medicine and science in sports and exercise

authors： Janse DE Jonge XA,Thompson MW,Chuter VH,Silk LN,Thom JM

更新日期：2012-11-01 00:00:00

abstract：PURPOSE:To quantify the relationship between total training load and running performance during the most important competitions of the season (national cross-country championships, 4.175- and 10.130-km races). METHODS:Eight well-trained, subelite endurance runners (age (mean+/-SD): 23+/-2 yr; VO2max: 70.0+/-7.3 mL.kg....

journal_title：Medicine and science in sports and exercise

authors： Esteve-Lanao J,San Juan AF,Earnest CP,Foster C,Lucia A

更新日期：2005-03-01 00:00:00

abstract：:The use of 14C as tracer to measure lactate turnover and oxidation and its role in gluconeogenesis are discussed. Lactate is formed as well as utilized in many cells, and most of it in the body is present within cells so that interpretation of 14C data from labelled lactate is more complex and more difficult than that...

journal_title：Medicine and science in sports and exercise

authors： Katz J

更新日期：1986-06-01 00:00:00